Answer:

Step-by-step explanation:
Given 
To make A as the subject of the formula we need to rearrange
Divide by
throughout we get


5 years because when you divide 90 by 18 to get how many years it takes the tree to grow to 90 inches tall, you get 5.
Answer:
I believe it's 9
Step-by-step explanation:
Answer:
$16.92
Step-by-step explanation:
Multiply $188 by 0.09